https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102811
--- Comment #17 from Uroš Bizjak <ubizjak at gmail dot com> --- (In reply to Hongtao.liu from comment #16) > ix86_expand_vector_set is mainly used by vec_set_optab which exactly takes > target as both input and output, it seems we can't create a new target for > that. OK, let's try to optimize it with gen_pinsr, as you proposed. (It looks that the add-on patch from Comment #6 will generate VPBLEND in this case, too.)